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277290 (2005 SN104)
Classification: Main-belt Asteroid          SPK-ID: 2277290
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .210604383596819 4.547e-08  
a 2.415131915006965 7.3239e-09 au
q 1.906494546741919 1.1076e-07 au
i 2.07705592668137 4.8155e-06 deg
node 166.1616464414763 0.00011634 deg
peri 236.5264531418399 0.00011698 deg
M 312.0713768436328 9.3409e-06 deg
tp 2459183.016513784779
(2020-Nov-29.51651378)
3.5592e-05 TDB
period 1370.912424255431
3.75
6.236e-06
1.707e-08
d
yr
n .262598830990625 1.1945e-09 deg/d
Q 2.923769283272013 8.8663e-09 au
  Orbit Determination Parameters
   # obs. used (total)      457  
   data-arc span      8973 days (24.57 yr)  
   first obs. used      1996-04-20  
   last obs. used      2020-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47852  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 05:58:12  

Additional Information
 Earth MOID = .916081 au 
 Jupiter MOID = 2.48334 au 
 T_jup = 3.486 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.0   n/a MPO437262  

277290 (2005 SN104)          Discovered 2005-Sep-25 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2057-May-18 22:46 00:04 Iris 0.0294902105734167 0.0294736993553074 0.029506721985635 1.81293918213533 1.81293907460971 2472502.448785998 3.8413177788146 829.814536243025 50.6978745374875 8.27628598990418 13548.8205075904 T 16 CATAB v2.0f-lin.ifort 2020-Dec-18 05:58:13 2020-Dec-18 05:58
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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